The KONG Classic is a natural rubber treat-dispensing toy, available in medium, that has been a staple in dog enrichment and training for decades. Stuffed with treats or kibble, it keeps dogs mentally engaged during crate time, rest periods, or whenever chewing needs redirecting to an appropriate outlet.

The hollow centre can be packed with dry kibble, wet food, or frozen content for a longer-lasting challenge — difficulty scales with whatever you stuff it with. An erratic bounce encourages active play when batted around, and the natural rubber is durable enough for regular use without being hard enough to stress teeth. It works particularly well during high-energy phases or periods of separation anxiety.

Vets and trainers recommend the Classic because the stuffing technique can be tailored to the individual dog's diet, drive, and energy level. The medium size suits most small-to-medium breeds, and the format scales from a simple treat reward to a 20-minute frozen enrichment session.